Venkatraman Gopalan, professor of materials science and engineering and physics at Penn State, remembers fondly the tidy, patterned shapes called "kolams" that adorned the entrances of homes in Southern India. The ancient practice of drawing symmetrical patterns which snake around a grid of dots, also called "pulli kolam" in Tamil language, is drawn daily by millions conventionally using rice flour.
Subtitle:
Materials scientist Venkatraman Gopalan shares passion for these tidy, patterned shapes that adorned the entrances of homes in Southern India
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